Best Emissions Testing & Smog Check in Castro Valley, CA

The highest-rated Emission Repair Service and Smog Check companies out of 147 vetted & reviewed in the Castro Valley area.

Bill's Quality Auto Care

Bill's Quality Auto Care

(50)
Auto Repair, Gas Generator Repair, Diesel Service
“This shop is a true service provider, I felt like I was with family & the quality of work performed, that is money well spent, you will get your money worth.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 1997
Coupons & Offers
2016 Donville Ave, Simi Valley, CA
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R & N Complete Auto Repair

R & N Complete Auto Repair

(50)
Electrical Repairs, Our Services Include: Transmissions, Alternators
“Transmission serviced, rotated tires, cabin air filter replacement, cooling system flush, differententail fluid changed, power steering fluid flushed, brake system flushed.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2009
Serving Castro Valley Area
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Oil Changers

Oil Changers

(47)
CAR Wash, State Inspections, OIL Change & Fluid Services
“Friendly and knowledgeable technicians, but you'll pay more than most other shops for the convenience of staying in your car and receiving quick service.”
Coupons & Offers
In Business Since 2002
4560 E Los Angeles Ave, Simi Valley, CA
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R&S Automotive

R&S Automotive

(47)
Transmission Service, Transmissions, Brake Service
“If I didn't get it fixed I've never been here before but I looked up on Google and they had a Lotta great reviews so I decided to take a chance and the whole experience was very easy, Tony is great”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 1993
Coupons & Offers
Serving Castro Valley Area
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Dr. Import

Dr. Import

(32)
Diesel Fuel
“It could have been a very stressful experience, however Jack and his colleagues did a wonderful job: They figured out what is wrong with the car, organized a rental for me, and had everything fixed in less than 20 hours.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards, Check, Debit
In Business Since 1986
10900 Kalama River Ave, Fountain Valley, CA
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S & W Auto Smog Check

S & W Auto Smog Check

(48)
Rvs and Heavy Duty Vehicles, We Are the Smog Check Pros!!, We Smog Test All Passenger Cars
“I recently had something installed by them and not only was Anton's wife super sweet and helpful (wish I knew her name), Anton was thorough, honest and very professional.”
STAR, STAR, STAR, STAR Certified
Accepts Cash, Debit, Check, All Major Credit Cards
In Business Since 2000
Above Average Price Tag
16650 Harbor Blvd B15, Fountain Valley, CA
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Simi Test Only Smog Center 2

Simi Test Only Smog Center 2

(47)
“Good fast service.”
Licensed
Accepts All Major Credit Cards
In Business Since 2011
4560 E Los Angeles Ave, Simi Valley, CA
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Big Boys Auto Repair

Big Boys Auto Repair

(37)
“This place has taken care of EVERY car I've owned in the last 5 years and they are not only amazing in quality, but in price AND in time it talked to get done!!”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2002
5277 Valley Blvd, Los Angeles, CA
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Bj's Automotive

Bj's Automotive

(14)
General Maintenance, Repair Services, Customer Service
“They always do a thorough job checking everything and getting the car back as soon as possible, as well as letting me know if any problems are covered by dealership warranties/ recalls.”
Coupons & Offers
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 1988
2010 Donville Ave, Simi Valley, CA
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New Century Auto

New Century Auto

(45)
  • Mechanic
  • Fair
  • Prices
“Have been going to Harry for years and he is always fair with his prices, and he and his mechanics are the kindest people and they don't take advantage of women!!”
Accepts All Major Credit Cards
In Business Since 2009
2729 W Valley Blvd, Alhambra, CA
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H H Motor Service

H H Motor Service

(47)
“For everyone that's complaining about being rejected for oil change, please realize that people line up early in the morning before he opens so they can get serviced.”
In Business Since 1986
434 W Valley Blvd, Alhambra, CA
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Whitney's Auto & RV Care Center

Whitney's Auto & RV Care Center

(13)
“2nd time at this shop, Gary seems fair and quite honest!”
Licensed, BBB Rating: A+
Accepts Financing available
In Business Since 1988
920 Chambers Ln, Simi Valley, CA
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San Juan Automotive

San Juan Automotive

(33)
  • Oil
  • Tires
  • Vehicle
“Giuliano explained to me that he would do a complete diagnostic on my truck to find out exactly what the issue was before we jumped to conclusions which I appreciated.”
Accepts All Major Credit Cards, Debit, Cash
In Business Since 1992
11823 Valley View Ave, Whittier, CA
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Pro Auto Repair

Pro Auto Repair

(22)
  • Price
“Great communication, great price , I trust them , very good family business , they have done great work for me 3 times and I will continue to come back even if I move cities , thank you guys”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2008
16650 Harbor Blvd Ste A07, Fountain Valley, CA
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New Image Auto Repair

New Image Auto Repair

(30)
  • Prices
“Finally, I found a place that's run by an honest, experienced group of mechanics, that have the monster computer that only Dealer Service Departments have to diagnose problems.”
Accepts All Major Credit Cards
In Business Since 1985
10145 Valley Blvd, El Monte, CA
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Western Union Tire

Western Union Tire

(40)
“My only complaints would be that they do a lot of business and a lot of vehicles go thru there each day so unless the owner is there, you might get a quickie job, in which case you might have to return and have it done correctly.”
625 W Valley Blvd, Alhambra, CA
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Valley Auto Truck Electric & A/C Service Repair

Valley Auto Truck Electric & A/C Service Repair

(34)
Engine Services, Air Conditioning, Electrical Services
“Thanks guys, for all your hard work, for keeping on your masks, like we have to, & keeping this a safe, clean as possible, environment, during the pandemic!”
Accepts Debit
In Business Since 1992
Serving Castro Valley Area
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El Monte Auto Services LLC

El Monte Auto Services LLC

(36)
“I took my Ford Escape for an oil leak because I dont have a place to work on the car and at my job the manager dont let us so i I when to this place for an oil leak on the oil pan and on the timing chain cover, and they repair the leak.”
Accepts All Major Credit Cards
In Business Since 1997
11400 Valley Blvd, El Monte, CA
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Prestige Auto Services & Repair North Hollywood

Prestige Auto Services & Repair North Hollywood

(36)
  • Mechanic
  • Job
  • Prices
“On the initial call, Jose sounded very genuine and moderately priced around $387 to get a branded part same as the one from Toyota while others quoted around $550-700.”
Accepts All Major Credit Cards
In Business Since 2010
Serving Castro Valley Area
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Asian Autoworks

Asian Autoworks

(11)
“Like I said I usually stay away from mechanics and dealers, but this time I would not recommend anyone other than Candelario to work on a car, and for sure on my cars.”
In Business Since 2023
2060 Sinaloa Rd, Simi Valley, CA
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Smog Stop

Smog Stop

(41)
  • Brakes
  • Star
  • Price
“When I make a decision about where I'm going to spend my money, it all comes down to how I'm treated from the moment I make the call all they way through the service.”
Accepts All Major Credit Cards
In Business Since 2022
Serving Castro Valley Area
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LD Smog & Repair

LD Smog & Repair

(21)
  • Vehicle
  • Price
  • Mechanic
“He will go so far as to tell you that you shouldn't worry about fixing something, or a host of things, if your car is too old and just needs to be replaced.”
In Business Since 2016
16650 Harbor Blvd, Fountain Valley, CA
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Aldana's Smog Check Sun Valley

Aldana's Smog Check Sun Valley

(39)
  • Brake
  • Electrical
  • Prices
“Great service and prices.”
Serving Castro Valley Area
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MG Auto Repair

MG Auto Repair

(7)
“He used quality parts, backed the quality of his work by providing a warranty on labor and parts and went the extra mile in showing me the removed parts and why they had failed.”
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
In Business Since 2006
16650 Harbor Blvd A#17, Fountain Valley, CA
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